used the new technique in different ways. Castiglione created most of his monotypes as black-field images by wiping away ink on a prepared plate thus producing white and grey lines.

Sallaert, on the other hand, brushed bold, tapering lines onto the printing surface with meticulous precision. It is likely that Sallaert's monotype style was influenced by the chiaroscuro woodcuts of the Dutch engraver Hendrick Goltzius. Sallaert found in the monotype a technique